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Finding the Fourth Proportional to 551,297.20, 761,000.52 and 536,129.04

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Solution

The fourth proportional to 551,297.20, 761,000.52 and 536,129.04 is: 740,062.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,297.20 : 761,000.52 = 536,129.04 : x
  2. Step 2: Convert to fraction form
    551,297.20/761,000.52 = 536,129.04/x
  3. Step 3: Cross multiply
    551,297.20x = 761,000.52 × 536,129.04
  4. Step 4: Simplify right side
    551,297.20x = 407,994,478,227.10
  5. Step 5: Solve for x
    x = 407,994,478,227.10/551,297.20
  6. Step 6: Final answer
    x = 740,062.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.